/* ==========================================================================
   CAARVN LABS — DESIGN SYSTEM & STYLESHEET
   Independent Software Development Studio
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & ROOT VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Minimal & Restrained Light Theme */
  --bg-primary: #FAFAFA;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #F5F5F7;
  --bg-card-hover: #F0F0F2;
  
  --bg-dark: #0A0A0C;
  --bg-dark-card: #141417;
  --bg-dark-border: rgba(255, 255, 255, 0.08);

  --text-primary: #111111;
  --text-secondary: #6B6B6B;
  --text-muted: #8E8E93;
  --text-inverse: #FAFAFA;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.16);

  --accent-primary: #111111;
  --accent-glow: rgba(17, 17, 17, 0.06);
  --accent-pulse: #10B981; /* Available status Emerald */

  /* Typography */
  --font-sans: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', 'Fira Code', monospace;

  /* Layout & Geometry */
  --max-width: 1280px;
  --nav-height: 72px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions & Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 300ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-primary);
  min-height: 100vh;
}

body.scroll-locked {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

img, svg, video {
  max-width: 100%;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }
}

/* Section Common Spacing - Optimized for seamless reading flow */
.section, section[id] {
  padding: 72px 0;
  position: relative;
  scroll-margin-top: calc(var(--nav-height) + 16px);
}

#work.section {
  padding-bottom: 36px;
}

#services.section {
  padding-top: 36px;
}

@media (max-width: 768px) {
  .section {
    padding: 52px 0;
  }
  #work.section {
    padding-bottom: 24px;
  }
  #services.section {
    padding-top: 24px;
  }
}

/* --------------------------------------------------------------------------
   STUDIO PERFORMANCE & TRUST GUARANTEES (HIGH CONVERTING DARK GLASS)
   -------------------------------------------------------------------------- */
.metrics-counter-bar.dark-theme-bar {
  padding: 56px 0;
  background-color: #0A0A0C;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 255, 255, 0.06), transparent),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  position: relative;
  z-index: 2;
}

.metrics-header-row {
  margin-bottom: 32px;
}

.metrics-section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-pulse);
  margin-bottom: 8px;
}

.metrics-section-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  line-height: 1.2;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 992px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 576px) {
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.metric-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.metric-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.metric-number-wrapper {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.metric-number {
  font-family: var(--font-sans);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  line-height: 1;
  background: linear-gradient(180deg, #FFFFFF 0%, #B0B0B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-plus, .metric-suffix {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.metric-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   CASE STUDY TYPOGRAPHY & READER-FRIENDLY OVERRIDES
   -------------------------------------------------------------------------- */
.case-study-hero {
  padding-top: 24px !important;
  padding-bottom: 48px;
}

.back-link {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 8px 18px !important;
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 100px !important;
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--text-primary) !important;
  text-decoration: none !important;
  margin-bottom: 24px !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06) !important;
  transition: all 0.2s var(--ease-out) !important;
}

.back-link:hover {
  background-color: var(--text-primary) !important;
  color: var(--bg-primary) !important;
  border-color: var(--text-primary) !important;
  transform: translateX(-4px) !important;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15) !important;
}

.case-study-hero .hero-title {
  font-size: clamp(28px, 3.8vw, 42px) !important;
  line-height: 1.18 !important;
  letter-spacing: -0.03em !important;
  margin-bottom: 16px !important;
}

.case-study-hero .hero-description {
  font-size: clamp(15px, 1.3vw, 17px) !important;
  line-height: 1.65 !important;
  max-width: 760px !important;
  color: var(--text-secondary) !important;
  margin-bottom: 28px !important;
}

.cs-heading {
  font-size: clamp(20px, 2.2vw, 24px) !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 14px !important;
  color: var(--text-primary) !important;
}

.cs-body {
  font-size: 15.5px !important;
  color: var(--text-secondary) !important;
  line-height: 1.7 !important;
  max-width: 780px !important;
}

.cs-meta-grid {
  margin: 28px 0 36px 0 !important;
  padding: 18px 0 !important;
}

/* Section Header Typography */
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--text-primary);
  border-radius: 50%;
}

.section-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 48px;
}

/* --------------------------------------------------------------------------
   3. NAVIGATION (STICKY & MOBILE)
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1002;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
  background-color: rgba(250, 250, 250, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
}

.navbar.nav-hidden {
  /* Navbar remains sticky and visible at all times */
  transform: translateY(0);
}

.navbar.scrolled {
  background-color: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-strong);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}



.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: inline-grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  align-items: center;
  text-decoration: none;
  height: 60px;
  position: relative;
  transition: opacity var(--transition-fast);
}

.nav-brand:hover {
  opacity: 0.85;
}

/* Plain & Well-Spaced Text Brand (Initially Visible at Top) */
.nav-brand-text {
  grid-area: 1 / 1;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

/* Brand Logo Image (Caarvn_Labs.png - Footer & Base Sizing) */
.brand-logo-img {
  height: 58px;
  width: auto;
  max-height: 100%;
  max-width: 420px;
  display: block;
  object-fit: contain;
  border-radius: 4px;
}

/* Nav Brand Logo Image */
.nav-brand .brand-logo-img {
  grid-area: 1 / 1;
  height: 56px;
  margin-left: -13px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dynamic Text State (Hidden Initially, visible text) */
.nav-brand.has-dynamic-text .brand-logo-img {
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

/* Slide transition when navbar is scrolled */
.navbar.scrolled .nav-brand-text {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

.navbar.scrolled .nav-brand.has-dynamic-text .brand-logo-img {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  min-width: 18px;
  transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.nav-links-container {
  position: relative;
  display: flex;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.025);
  padding: 4px;
  border-radius: 100px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-active-pill {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  background-color: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 100px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  pointer-events: none;
  z-index: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), width 0.3s cubic-bezier(0.16, 1, 0.3, 1), height 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  opacity: 0;
}

.nav-links {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
  z-index: 1;
  text-decoration: none;
  user-select: none;
}

.nav-link:hover, .nav-link.is-active, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.is-active, .nav-link.active {
  font-weight: 600;
}

.nav-link::before, .nav-link::after,
.nav-link.is-active::before, .nav-link.is-active::after,
.nav-link.active::before, .nav-link.active::after {
  display: none !important;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-nav {
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-nav:hover {
  background-color: #262626;
  transform: translateY(-1px);
}

.btn-nav svg {
  transition: transform var(--transition-fast);
}

.btn-nav:hover svg {
  transform: translateX(3px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1002;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 48px;
}

.mobile-nav-link {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 0.2s ease;
}

.mobile-nav-link.is-active, .mobile-nav-link.active, .mobile-nav-link:hover {
  color: var(--text-primary);
}

.mobile-nav-link span.num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.mobile-nav-link.is-active span.num, .mobile-nav-link.active span.num {
  color: var(--text-primary);
  font-weight: 700;
}

@media (max-width: 860px) {
  .nav-center, .nav-links, .nav-actions .btn-nav {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .brand-logo-img {
    height: 48px;
    max-width: 300px;
  }
  .nav-brand-text {
    font-size: 19px;
  }
}

/* --------------------------------------------------------------------------
   4. HERO SECTION & BACKGROUND GRID
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 20px;
  padding-bottom: 48px;
  position: relative;
  overflow: hidden;
}

/* Hero Subtle Grid & Radial Background */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 20%, transparent 80%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ---- Mini IDE Visual ---- */
.hero-ide {
  background: #1a1a2e;
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.12),
    0 1px 3px rgba(0, 0, 0, 0.08);
  font-family: 'Geist Mono', 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 11.5px;
  line-height: 1.65;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.ide-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #12122a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ide-dots {
  display: flex;
  gap: 6px;
}

.ide-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.ide-dot--red { background: #ff5f57; }
.ide-dot--yellow { background: #febc2e; }
.ide-dot--green { background: #28c840; }

.ide-tabs {
  display: flex;
  gap: 2px;
  margin-left: 8px;
}

.ide-tab {
  padding: 4px 14px;
  border-radius: 6px;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.02em;
  cursor: default;
}

.ide-tab--active {
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.85);
}

.ide-body {
  display: flex;
  padding: 14px 0 14px 0;
  min-height: 230px;
}

.ide-lines {
  display: flex;
  flex-direction: column;
  padding: 0 10px 0 14px;
  color: rgba(255, 255, 255, 0.15);
  font-size: 10.5px;
  line-height: 1.65;
  text-align: right;
  user-select: none;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.ide-code {
  flex: 1;
  padding: 0 14px;
  margin: 0;
  color: #e2e8f0;
  white-space: pre;
  overflow: hidden;
}

.ide-cursor {
  display: inline;
  color: #64ffda;
  font-weight: 300;
  animation: ideBlink 1s step-end infinite;
}

@keyframes ideBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.ide-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 16px;
  background: #0d0d1f;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
}

.ide-status-left {
  color: #28c840;
}

@media (max-width: 992px) {
  .hero-ide {
    max-width: 520px;
  }
  .ide-body {
    min-height: 240px;
  }
}

/* IDE Syntax Highlighting Colors */
.ide-code .ck { color: #c792ea; } /* keywords: const, await */
.ide-code .cf { color: #82aaff; } /* functions & identifiers */
.ide-code .cs { color: #c3e88d; } /* strings */
.ide-code .cn { color: #f78c6c; } /* numbers & booleans */
.ide-code .cp { color: #ffcb6b; } /* properties */
.ide-code .cc { color: rgba(255, 255, 255, 0.3); font-style: italic; } /* comments */

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 820px;
}

/* Hero Brand Logo above Eyebrow (Large on Main Screen) */
.hero-brand-logo {
  margin-bottom: -34px; /* Compensate for bottom transparent padding in PNG, with small visible gap */
  margin-left: -30px; /* Pull left so visible 'C' aligns flush with container edge */
  display: inline-flex;
  align-items: center;
}

.hero-logo-img {
  height: 130px;
  width: auto;
  max-width: 600px;
  display: block;
  object-fit: contain;
  background-color: rgba(255, 255, 255, 0.7);
  padding: 10px 16px;
  border-radius: 10px;
}

@media (max-width: 768px) {
  .hero-brand-logo {
    margin-left: -18px;
    margin-bottom: -28px;
  }
  .hero-logo-img {
    height: 80px;
    max-width: 400px;
  }
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background-color: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-pulse);
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background-color: var(--accent-pulse);
  opacity: 0.4;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(2); opacity: 0; }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 32px;
  margin-left: 15px;
}

.hero-title {
  font-size: clamp(48px, 6.5vw, 84px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.02;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-description {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 580px;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 14px 28px;
  border-radius: var(--radius-md);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
  background-color: #262626;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
}

.btn-primary svg {
  transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-secondary {
  padding: 14px 28px;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  font-size: 15px;
  font-weight: 500;
  transition: background-color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.04);
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. CREATIVE CSS 3D DIGITAL CORE
   -------------------------------------------------------------------------- */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  user-select: none;
}

.digital-core-container {
  width: 360px;
  height: 360px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.15s cubic-bezier(0.1, 0.5, 0.1, 1);
  cursor: pointer;
}

/* Outer Geometric Orbit Ring */
.core-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(17, 17, 17, 0.25);
  transform-style: preserve-3d;
  pointer-events: none;
}

.core-ring-1 {
  width: 380px;
  height: 380px;
  margin-top: -190px;
  margin-left: -190px;
  transform: rotateX(70deg) rotateY(15deg);
  animation: spinRing1 24s linear infinite;
}

.core-ring-2 {
  width: 300px;
  height: 300px;
  margin-top: -150px;
  margin-left: -150px;
  border: 1px solid rgba(17, 17, 17, 0.15);
  transform: rotateX(45deg) rotateY(-40deg);
  animation: spinRing2 18s linear infinite reverse;
}

@keyframes spinRing1 {
  from { transform: rotateX(70deg) rotateY(15deg) rotateZ(0deg); }
  to { transform: rotateX(70deg) rotateY(15deg) rotateZ(360deg); }
}

@keyframes spinRing2 {
  from { transform: rotateX(45deg) rotateY(-40deg) rotateZ(0deg); }
  to { transform: rotateX(45deg) rotateY(-40deg) rotateZ(360deg); }
}

/* Layered Floating Architecture Planes */
.core-plane {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 220px;
  height: 220px;
  margin-top: -110px;
  margin-left: -110px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
}

.plane-1 {
  transform: translateZ(60px) rotateX(15deg) rotateY(-10deg);
}

.plane-2 {
  transform: translateZ(0px) rotateX(-10deg) rotateY(20deg);
  background: rgba(250, 250, 250, 0.4);
}

.plane-3 {
  transform: translateZ(-60px) rotateX(25deg) rotateY(15deg);
  background: rgba(240, 240, 245, 0.5);
}

.plane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plane-dots {
  display: flex;
  gap: 4px;
}

.plane-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: rgba(17, 17, 17, 0.2);
}

.plane-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.plane-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 12px 0;
}

.plane-cell {
  height: 28px;
  background-color: rgba(17, 17, 17, 0.03);
  border-radius: 4px;
  border: 1px solid rgba(17, 17, 17, 0.05);
}

.plane-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}

/* Central 3D Kernel Cube */
.core-kernel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90px;
  height: 90px;
  margin-top: -45px;
  margin-left: -45px;
  transform-style: preserve-3d;
  animation: kernelFloat 6s ease-in-out infinite alternate;
}

@keyframes kernelFloat {
  0% { transform: translateZ(20px) rotateX(0deg) rotateY(0deg); }
  100% { transform: translateZ(35px) rotateX(10deg) rotateY(15deg); }
}

.cube-face {
  position: absolute;
  width: 90px;
  height: 90px;
  background: rgba(17, 17, 17, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.1);
  backface-visibility: visible;
}

.face-front  { transform: rotateY(0deg) translateZ(45px); }
.face-back   { transform: rotateY(180deg) translateZ(45px); }
.face-right  { transform: rotateY(90deg) translateZ(45px); }
.face-left   { transform: rotateY(-90deg) translateZ(45px); }
.face-top    { transform: rotateX(90deg) translateZ(45px); }
.face-bottom { transform: rotateX(-90deg) translateZ(45px); }

/* Node Connectors */
.core-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-primary);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
  transform-style: preserve-3d;
}

.node-1 { top: 15%; left: 20%; transform: translateZ(80px); }
.node-2 { bottom: 20%; right: 15%; transform: translateZ(40px); }
.node-3 { top: 75%; left: 15%; transform: translateZ(-30px); }

/* Core Hover Badge */
.core-badge {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.9);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  pointer-events: none;
  opacity: 0.7;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.digital-core-container:hover .core-badge {
  opacity: 1;
  transform: translateX(-50%) translateY(-3px);
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.digital-core-container:hover .plane-1 {
  transform: translateZ(85px) rotateX(10deg) rotateY(-5deg);
  border-color: rgba(17, 17, 17, 0.3);
}

.digital-core-container:hover .plane-3 {
  transform: translateZ(-85px) rotateX(30deg) rotateY(20deg);
}

/* --------------------------------------------------------------------------
   16. INTERACTIVE UPGRADES & EXTENSIONS
   -------------------------------------------------------------------------- */

/* Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-pulse), var(--text-primary));
  z-index: 10000;
  box-shadow: 0 1px 6px rgba(16, 185, 129, 0.4);
  transition: width 0.05s linear;
}

/* Mouse Spotlight Layer */
.mouse-spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50vw) var(--mouse-y, 50vh), rgba(17, 17, 17, 0.03), transparent 80%);
  transition: opacity 0.3s ease;
}

/* Contextual Micro Cursor Badge */
.context-cursor-badge {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--bg-primary);
  background-color: var(--text-primary);
  padding: 5px 12px;
  border-radius: 100px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.8);
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.context-cursor-badge.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Command Palette Trigger in Nav */
.cmd-palette-trigger {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background-color: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.cmd-palette-trigger:hover {
  background-color: rgba(0, 0, 0, 0.08);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.cmd-palette-trigger kbd {
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Status Indicator Hover Tooltip */
.hero-status {
  position: relative;
  cursor: pointer;
}

.status-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background-color: var(--bg-dark);
  color: var(--text-dark-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero-status:hover .status-tooltip {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   17. 3D CORE SYSTEM NODES & TOOLTIPS
   -------------------------------------------------------------------------- */
.core-connections-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.conn-line {
  stroke: rgba(17, 17, 17, 0.12);
  stroke-width: 1.5;
  transition: stroke 0.3s ease, stroke-width 0.3s ease;
}

.digital-core-container:hover .conn-line {
  stroke: rgba(17, 17, 17, 0.25);
}

.node-api { top: 12%; left: 18%; transform: translateZ(90px); }
.node-db { bottom: 18%; right: 12%; transform: translateZ(50px); }
.node-cloud { top: 72%; left: 12%; transform: translateZ(-20px); }
.node-app { top: 20%; right: 16%; transform: translateZ(70px); }

.node-tag {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.core-node:hover .node-tag {
  color: var(--text-primary);
}

.node-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background-color: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 20;
}

.core-node:hover .node-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.node-tooltip-title {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.node-tooltip-tech {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Magnetic Button Lift */
.magnetic-target {
  will-change: transform;
}

/* --------------------------------------------------------------------------
   18. INTERACTIVE SERVICES TAGS & MINI DIAGRAMS
   -------------------------------------------------------------------------- */
.service-tags {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 12px;
  padding-left: 56px;
}

.service-tags span {
  color: var(--text-primary);
  font-weight: 600;
}

.service-mini-diagram {
  margin-top: 16px;
  padding-left: 56px;
  width: 220px;
  opacity: 0.7;
  color: var(--text-secondary);
  transition: opacity var(--transition-fast);
}

.service-row:hover .service-mini-diagram {
  opacity: 1;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .service-tags, .service-mini-diagram {
    padding-left: 0;
  }
}

/* --------------------------------------------------------------------------
   19. STACK TOOLTIPS & NEIGHBOR DISPLACEMENT
   -------------------------------------------------------------------------- */
.stack-item {
  position: relative;
  cursor: pointer;
}

.stack-item::after {
  display: none !important;
}

.stack-item:hover::after {
  display: none !important;
}

.stack-item.neighbor-shift-up {
  transform: translateY(-2px);
}

.stack-item.neighbor-shift-down {
  transform: translateY(2px);
}

/* --------------------------------------------------------------------------
   20. SOFTWARE ARCHITECTURE INTERLUDE
   -------------------------------------------------------------------------- */
.arch-interlude-section {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.arch-flow-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding: 40px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
}

@media (max-width: 860px) {
  .arch-flow-wrapper {
    flex-direction: column;
    gap: 32px;
    align-items: stretch;
  }
}

.arch-node {
  flex: 1;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.arch-node:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.04);
}

.arch-node-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.arch-node-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.arch-node-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.arch-node-tooltip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.arch-node:hover .arch-node-tooltip {
  opacity: 1;
}

.arch-connector {
  width: 60px;
  height: 20px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 860px) {
  .arch-connector {
    width: 20px;
    height: 40px;
    margin: 0 auto;
    transform: rotate(90deg);
  }
}

/* --------------------------------------------------------------------------
   21. COMMAND PALETTE OVERLAY (CTRL + K)
   -------------------------------------------------------------------------- */
.cmd-palette-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 12, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.cmd-palette-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.cmd-palette-modal {
  background-color: var(--bg-card);
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  transform: translateY(-12px);
  transition: transform var(--transition-normal);
}

.cmd-palette-overlay.is-open .cmd-palette-modal {
  transform: translateY(0);
}

.cmd-input-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.cmd-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text-primary);
}

.cmd-esc-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.05);
  padding: 3px 8px;
  border-radius: 4px;
}

.cmd-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  color: var(--text-primary);
}

.cmd-item:hover, .cmd-item.is-selected {
  background-color: var(--bg-card-subtle);
}

.cmd-item-title {
  font-size: 14px;
  font-weight: 500;
}

.cmd-item-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

/* Developer Easter Egg Badge */
.easter-egg-badge {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--bg-dark);
  color: var(--text-dark-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 16px;
  border-radius: 100px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 4000;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.easter-egg-badge.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}


/* --------------------------------------------------------------------------
   6. TRUST STRIP (HORIZONTAL MARQUEE TICKER)
   -------------------------------------------------------------------------- */
.trust-strip {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 22px 0;
  background-color: var(--bg-primary);
  overflow: hidden;
  position: relative;
}

.trust-container {
  display: flex;
  align-items: center;
  gap: 32px;
}

.trust-label-wrapper {
  flex-shrink: 0;
  padding-right: 28px;
  border-right: 1px solid var(--border-color);
  z-index: 5;
  background-color: var(--bg-primary);
}

.trust-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  text-transform: uppercase;
  white-space: nowrap;
}

.trust-ticker-wrapper {
  flex: 1;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}

.trust-ticker-track {
  display: flex;
  width: max-content;
  animation: marqueeRightToLeft 28s linear infinite;
  will-change: transform;
}

.trust-ticker-wrapper:hover .trust-ticker-track {
  animation-play-state: paused;
}

@keyframes marqueeRightToLeft {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

.trust-items {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  padding-right: 36px;
}

.trust-item {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: color var(--transition-fast);
}

.trust-item:hover {
  color: var(--text-primary);
}

.trust-item::after {
  content: '·';
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 400;
}

/* --------------------------------------------------------------------------
   7. SELECTED WORK (EDITORIAL SHOWCASE)
   -------------------------------------------------------------------------- */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 100px;
  margin-top: 60px;
}

.project-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: 520px;
}

.project-item.reverse {
  grid-template-columns: 1fr 1fr;
}

.project-item.reverse .project-visual {
  order: 2;
}

.project-item.reverse .project-info {
  order: 1;
}

@media (max-width: 992px) {
  .project-item, .project-item.reverse {
    grid-template-columns: 1fr;
    gap: 36px;
    min-height: auto;
  }
  .project-item.reverse .project-visual,
  .project-item.reverse .project-info {
    order: initial;
  }
}

.project-visual {
  position: relative;
  width: 100%;
  height: 440px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.project-visual:hover {
  transform: scale(1.015);
  border-color: var(--border-strong);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

/* Project Slideshow & Pagination Dots */
.slideshow-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slideshow-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
  border-radius: var(--radius-md);
}

.slideshow-img.is-active {
  opacity: 1;
  pointer-events: auto;
}

.slideshow-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
  padding: 6px 12px;
  background-color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  pointer-events: auto;
}

.slideshow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: rgba(17, 17, 17, 0.3);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
  border: none;
  outline: none;
}

.slideshow-dot:hover {
  background-color: rgba(17, 17, 17, 0.6);
}

.slideshow-dot.is-active {
  width: 16px;
  border-radius: 100px;
  background-color: var(--text-primary);
}

/* Abstract Mock UI Card Graphics */
.mock-ui {
  width: 100%;
  height: 100%;
  background: var(--bg-card-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.mock-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.mock-dots {
  display: flex;
  gap: 6px;
}

.mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #E5E5EA;
}

.mock-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 16px;
}

.mock-sidebar {
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mock-line {
  height: 8px;
  background: #E5E5EA;
  border-radius: 4px;
  width: 100%;
}

.mock-line.short { width: 60%; }
.mock-line.accent { background: var(--text-primary); }

.mock-main-content {
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  padding-top: 12px;
}

.mock-bar {
  flex: 1;
  background: #E5E5EA;
  border-radius: 3px 3px 0 0;
  transition: height 0.3s ease;
}

.mock-bar.active { background: var(--text-primary); }

.project-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.project-number {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.project-category {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background-color: rgba(0, 0, 0, 0.04);
  padding: 4px 10px;
  border-radius: 4px;
}

.project-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.project-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.project-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
  margin-bottom: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.detail-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.detail-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 4px;
}

.project-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition-fast);
}

.project-link:hover {
  gap: 12px;
}

/* --------------------------------------------------------------------------
   8. TECHNOLOGY STACK
   -------------------------------------------------------------------------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.stack-category {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.stack-category:hover {
  border-color: var(--border-strong);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.category-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stack-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stack-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background-color: transparent;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.stack-item:hover {
  background-color: var(--bg-card-subtle);
  transform: translateX(4px);
}

.stack-icon {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
}

.tech-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.stack-item:hover .tech-logo {
  transform: scale(1.15);
}

.stack-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   9. SERVICES / CAPABILITIES
   -------------------------------------------------------------------------- */
.services-list {
  display: flex;
  flex-direction: column;
  margin-top: 48px;
  border-top: 1px solid var(--border-color);
}

.service-row {
  border-bottom: 1px solid var(--border-color);
  padding: 22px 0;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.service-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-main {
  display: flex;
  align-items: center;
  gap: 24px;
}

.service-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.service-name {
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.service-arrow {
  width: 24px;
  height: 24px;
  color: var(--text-secondary);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.service-row:hover .service-num {
  color: var(--text-primary);
}

.service-row:hover .service-arrow {
  transform: translateX(6px);
  color: var(--text-primary);
}

.service-drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), opacity 0.3s ease;
  opacity: 0;
}

.service-row.is-active .service-drawer {
  max-height: 160px;
  opacity: 1;
  margin-top: 20px;
}

.service-row.is-active .service-arrow {
  transform: rotate(90deg);
}

.service-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  padding-left: 56px;
}

@media (max-width: 768px) {
  .service-desc {
    padding-left: 0;
  }
}

/* --------------------------------------------------------------------------
   10. PROCESS (HOW WE WORK)
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  position: relative;
}

@media (max-width: 992px) {
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.process-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.process-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.process-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
}

.process-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.process-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   11. LARGE TYPOGRAPHIC STATEMENT & PRINCIPLES
   -------------------------------------------------------------------------- */
.statement-section {
  padding: 160px 0;
  background-color: var(--bg-card-subtle);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.statement-title {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-primary);
  max-width: 900px;
  margin-bottom: 32px;
}

.statement-desc {
  font-size: clamp(18px, 2vw, 24px);
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.5;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 80px;
}

@media (max-width: 992px) {
  .principles-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .principles-grid {
    grid-template-columns: 1fr;
  }
}

.principle-card {
  padding: 24px;
  border-left: 2px solid var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.principle-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.principle-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   12. TEAM & CREDIBILITY METRICS
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

@media (max-width: 860px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.team-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color var(--transition-fast);
}

.team-card:hover {
  border-color: var(--border-strong);
}

.team-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
}

.team-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.team-role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: -12px;
}

.team-bio {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.team-socials {
  display: flex;
  gap: 16px;
  list-style: none;
  margin-top: auto;
}

.team-social-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.team-social-link:hover {
  color: var(--text-primary);
}

/* Metrics Bar */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 80px;
  padding: 48px 32px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.cta-response-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .metrics-bar {
    grid-template-columns: 1fr 1fr;
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-val {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.metric-lbl {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   13. CONTACT CTA & FOOTER
   -------------------------------------------------------------------------- */
.contact-cta-section {
  padding: 120px 0;
  background-color: var(--bg-dark);
  color: var(--text-dark-primary);
  position: relative;
  overflow: hidden;
}

.contact-cta-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.cta-desc {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.85) !important;
  line-height: 1.6;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.btn-cta-primary {
  padding: 16px 32px;
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  color: #0A0A0C;
  font-size: 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.btn-cta-primary:hover {
  background-color: #E5E5EA;
  transform: translateY(-2px);
}

.cta-email {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.cta-email:hover {
  color: var(--accent-pulse);
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-pulse);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: rgba(255, 255, 255, 0.85);
  border-top: 1px solid var(--bg-dark-border);
  padding: 60px 0 40px 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.footer-logo {
  display: inline-block;
  margin-left: -4px;
  margin-bottom: 0;
}

.footer-logo .brand-logo-img {
  height: 64px;
  width: auto;
  max-width: 420px;
  filter: invert(1);
  mix-blend-mode: screen;
  display: block;
}

.footer-desc {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 2px;
  padding-left: 2px;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--bg-dark-border);
  font-size: 13px;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.65);
}

/* --------------------------------------------------------------------------
   14. CONTACT INQUIRY MODAL / DRAWER
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--bg-primary);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  padding: 40px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.is-open .modal-container {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.modal-close:hover {
  background-color: rgba(0, 0, 0, 0.08);
}

.modal-header {
  margin-bottom: 32px;
}

.modal-title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
}

/* Form Controls */
.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.06);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 576px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-submit {
  margin-top: 12px;
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-md);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-size: 16px;
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.form-submit:hover {
  background-color: #262626;
}

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 40px 0;
}

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-pulse);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   22. FINAL POLISH PASS — UX EXTENSIONS
   -------------------------------------------------------------------------- */

/* Section Label Row & Project Progress Indicator */
.section-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-label-row .section-label {
  margin-bottom: 0;
}

.project-progress-indicator {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 100px;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), background-color var(--transition-fast), border-color var(--transition-fast);
  z-index: 990;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-2px) scale(1.05);
  border-color: var(--text-primary);
  background-color: var(--bg-primary);
}

.back-to-top:active {
  transform: translateY(0) scale(0.95);
}

/* Lightbox Modal */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 3500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.lightbox-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-container {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  transform: scale(0.96);
  transition: transform var(--transition-normal);
}

.lightbox-overlay.is-open .lightbox-container {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-primary);
  z-index: 10;
  transition: background-color var(--transition-fast);
}

.lightbox-close:hover {
  background-color: rgba(0, 0, 0, 0.12);
}

.lightbox-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lightbox-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lightbox-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.lightbox-category {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 100px;
  margin-right: 44px;
}

.lightbox-body {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  min-height: 440px;
}

.lightbox-image-container {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  z-index: 5;
}

.lightbox-prev {
  left: 16px;
}

.lightbox-next {
  right: 16px;
}

.lightbox-arrow:hover {
  background-color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-50%) scale(1.06);
}

.lightbox-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.lightbox-stage-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  overflow: hidden;
  width: 100%;
}

.lightbox-stage {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.lightbox-caption {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 620px;
  line-height: 1.5;
}

/* Thumbnail Gallery Strip */
.lightbox-thumbnails {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.lightbox-thumb {
  width: 76px;
  height: 50px;
  border-radius: 6px;
  border: 2px solid var(--border-color);
  object-fit: cover;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  background-color: var(--bg-card);
}

.lightbox-thumb:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.lightbox-thumb.is-active {
  opacity: 1;
  border-color: var(--text-primary);
  transform: scale(1.06);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

/* Project Visual Focus Zoom Pop-out Effect */
.project-visual {
  cursor: pointer;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-visual.is-focusing {
  transform: scale(1.04) translateY(-6px);
  z-index: 100;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
}

.lightbox-footer {
  padding: 12px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-keyboard-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.lightbox-keyboard-hint kbd {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 10px;
  color: var(--text-primary);
}

/* Touch Active Feedback */
button:active, .btn-primary:active, .btn-secondary:active, .btn-nav:active, .project-link:active, .nav-link:active, .service-row:active, .arch-node:active {
  transform: scale(0.98);
  transition: transform 0.1s ease;
}

/* Page Entrance Transition */
main {
  animation: pageFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   MODAL FORM SUCCESS SCREEN STYLING
   -------------------------------------------------------------------------- */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}

.form-success.is-visible {
  display: flex !important;
}

.form-success .success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.12);
  color: #10B981;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   MODAL FORM SUCCESS SCREEN STYLING
   -------------------------------------------------------------------------- */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}

.form-success.is-visible {
  display: flex !important;
}

.form-success .success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.12);
  color: #10B981;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.form-success h4 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.form-success p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 440px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   15. ACCESSIBILITY & REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .core-ring-1, .core-ring-2, .core-kernel {
    animation: none !important;
  }
}

/* ==========================================================================
   SPLASH SCREEN
   ========================================================================== */
#splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-dark);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#splash-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-logo-container {
  position: relative;
  width: 85vw;
  max-width: 380px;
  aspect-ratio: 3040 / 805;
}

@media (min-width: 768px) {
  .splash-logo-container {
    max-width: 620px;
  }
}

/* Expanding line — starts from center, grows outward */
.splash-line {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.7);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.splash-caarvn,
.splash-labs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('assets/images/Caarvn_Labs.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  filter: invert(1) brightness(10);
}

/* CAARVN — starts hidden, JS will fade it in */
.splash-caarvn {
  clip-path: inset(0 32.3% 0 0);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 1s ease, transform 1s ease;
}

/* Labs — starts fully clipped (invisible), JS will wipe it open */
.splash-labs {
  clip-path: inset(0 32.3% 0 67.7%);
}

/* Light mode support if body has light class or prefers-color-scheme */
body.light-mode #splash-screen {
  background-color: var(--bg-primary);
}